4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene

Base Information

• Chemical Name: 4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene
• CAS No.: 133834-51-2
• Molecular Formula: C₂₂H₂₄O₄S
• Molecular Weight: 384.496

Synonyms:4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene

Chemical Property of 4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene

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Technology Process of 4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene

There total 3 articles about 4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 65.0%

3-(1-hydroxy-1-methylethyl)indene (64391-30-6) + 2-(Benzenesulfonyl)-3-buten-2-one (133834-05-6) → 4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene (133834-51-2)

Guidance literature:

In dichloromethane; for 1h; Ambient temperature;

DOI:10.1021/jo00013a007

Reference yield:

PVS (5535-48-8) → 4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene (133834-51-2)

Guidance literature:

Multi-step reaction with 3 steps

1: 81 percent / DABCO / 240 h / Ambient temperature

2: 59 percent / Jones reagent / acetone / 1) -78 deg C, 1 h, 2) to 0 deg C, 2 h

3: 65 percent / CH₂Cl₂ / 1 h / Ambient temperature

With 1,4-diaza-bicyclo[2.2.2]octane; jones reagent; In dichloromethane; acetone;

DOI:10.1021/jo00013a007

Reference yield:

3-(Benzenesulfonyl)-3-buten-2-ol (133834-04-5) → 4-(Benzenesulfonyl)-1-(1-hydroxy-1,1-dimethylmeth-1-yl)-3-methyl-2-oxabenzobicyclo<4.3.0>nona-3,8-diene (133834-51-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 59 percent / Jones reagent / acetone / 1) -78 deg C, 1 h, 2) to 0 deg C, 2 h

2: 65 percent / CH₂Cl₂ / 1 h / Ambient temperature

With jones reagent; In dichloromethane; acetone;

DOI:10.1021/jo00013a007

upstream raw materials:

3-(1-hydroxy-1-methylethyl)indene

2-(Benzenesulfonyl)-3-buten-2-one

PVS

3-(Benzenesulfonyl)-3-buten-2-ol

Downstream raw materials:

7-(Benzenesulfonyl)-9,11-dioxa-8,10,10-trimethylbenzotricyclo<6.2.1.0^1,5>undec-2-ene

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